POST UTME CRAWFORD UNIVERSITY 2024 Mathematics | Objective

Prepare for your exams with POST UTME CRAWFORD UNIVERSITY questions? Reviewing past/model questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2024 Mathematics (Objective) questions designed to simulate the real exam environment.

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Question 1 View Details
Find the determinant of the matrix [ egin{pmatrix} 2 & 3 \ 4 & 5 \end{pmatrix} ].
Correct A. 1
B. 2
C. 3
D. 4

Correct Answer: A

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Question 2 View Details
Solve the quadratic equation \(x^2 + 4x + 4 = 0\).
A. -1
B. 0
C. 1
Correct D. -2

Correct Answer: D

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Question 3 View Details
Find the sum of the first 5 terms of the geometric progression ( 2, 6, 18, ... ).
A. 240
B. 242
Correct C. 484
D. 486

Correct Answer: C

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Question 4 View Details
A vector \(\vec{a}\) has components \(a_x = 2, a_y = 3). Find the magnitude of \(\vec{a}\\(). Find the magnitude of (\).
A. 2
B. 3
C. 4
Correct D. \(\sqrt{13}\)

Correct Answer: D

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Question 5 View Details
A set ( A ) contains the elements \(\{1, 2, 3, 4, 5 \}\). Find the number of subsets of ( A ).
A. 15
B. 16
C. 31
Correct D. 32

Correct Answer: D

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Question 6 View Details
Given that \(\mathbf{a} = egin{pmatrix} 2 \ 3 \ 1 \end{pmatrix}\) and \(\mathbf{b} = egin{pmatrix} 1 \ -2 \ 4 \end{pmatrix}\), find the vector \(\mathbf{a} \times \mathbf{b}\).
Correct A. \(egin{pmatrix} 10 \ 2 \ -7 \end{pmatrix}\)
B. \(egin{pmatrix} -10 \ 2 \ 7 \end{pmatrix}\)
C. \(egin{pmatrix} 10 \ -2 \ 7 \end{pmatrix}\)
D. \(egin{pmatrix} -10 \ -2 \ -7 \end{pmatrix}\)

Correct Answer: A

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Question 7 View Details
Solve the system of linear equations: \(egin{cases} x + 2y - 3z = 7 \ 2x - 3y + z = -3 \ 3x + y + 2z = 5 \end{cases}\)
Correct A. \(x = 1, y = 2, z = 3\)
B. \(x = 2, y = 1, z = 3\)
C. \(x = 1, y = 3, z = 2\)
D. \(x = 3, y = 2, z = 1\)

Correct Answer: A

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Question 8 View Details
Find the determinant of the matrix \(egin{pmatrix} 2 & 1 & 3 \ 4 & 2 & 1 \ 1 & 3 & 2 \end{pmatrix}\).
Correct A. ( 0 )
B. ( 1 )
C. \(-1\)
D. ( 2 )

Correct Answer: A

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Question 9 View Details
Solve the quadratic equation \(x^2 + 4x + 4 = 0\).
Correct A. \(x = -2\)
B. \(x = 2\)
C. \(x = -1\)
D. \(x = 1\)

Correct Answer: A

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Question 10 View Details
Find the sum of the first 5 terms of the geometric progression ( 2, 6, 18, ldots ).
Correct A. ( 728 )
B. ( 7280 )
C. ( 72800 )
D. ( 728000 )

Correct Answer: A

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